<template>
    <div>
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>权限管理</el-breadcrumb-item>
            <el-breadcrumb-item>角色列表</el-breadcrumb-item>
          
          </el-breadcrumb>
          <!-- 卡牌视图 -->
          <el-card>
               <el-row>
                   <el-col>
                       <el-button type="primary">添加角色</el-button>
                   </el-col>
               </el-row>
               <!-- 角色列表 -->
<el-table :data="roleList" border stripe>
    <el-table-column type="expand" >
<template slot-scope="scope">
    <el-row :class="['bdbottom',i1===0?'bdtop':'','vcenter']"v-for="(item1,i1) in scope.row.children" :key="item1.id">
        <!-- 一级权限 -->
        <el-col :span="5" >
            <el-tag  closable @close="removeRight(scope.row,item1.id)">{{item1.authName}}</el-tag>
            <i class="el-icon-caret-right"></i>
        </el-col>
        <!-- 二级权限 -->
        <el-col :span="19" >
            <el-row :class="[i2===0?'':'bdtop','vcenter']" v-for="(item2,i2) in item1.children" :key="item2.id">
                <el-col :span="6"><el-tag type="success"  closable @close="removeRight(scope.row,item2.id)">{{item2.authName}}</el-tag>
                    <i class="el-icon-caret-right"></i>
                </el-col> 
                   
                 
                <el-col :span="18">
                        <el-tag type="warning" v-for="(item3,i3) in item2.children" :key="item3.id" closable @close="removeRight(scope.row,item3.id)">{{item3.authName}}</el-tag>
                </el-col>
            </el-row>
        </el-col>
    </el-row>
</template>
    </el-table-column>
<el-table-column type="index" label="#">

</el-table-column>
<el-table-column label="角色名称" prop="roleName">
    
</el-table-column>
<el-table-column label="角色描述" prop="roleDesc">
    
</el-table-column>
<el-table-column label="操作">
    <template slot-scope="scope" >
        <el-button type="primary" size="mini" icon="el-icon-edit">编辑</el-button>
        <el-button type="danger" size="mini" icon="el-icon-delete">删除</el-button>
        <el-button type="warning" size="mini" icon="el-icon-setting" @click="powerSet(scope.row)">分配权限</el-button>
    </template>
</el-table-column>
</el-table>
          </el-card>
          <!-- 分配权限对话框 -->
          <el-dialog
  title="分配权限"
  :visible.sync="setVisible"
  width="30%" @close="setClose"
  >
   <!-- 树形空间 -->
   <el-tree :data=rightsList :props="treeProps" show-checkbox node-key="id" default-expand-all :default-checked-keys="defKeys" ref="treeRef"></el-tree>

  <span slot="footer" class="dialog-footer">
    <el-button @click="setVisible = false">取 消</el-button>
    <el-button type="primary" @click="allotRights"  >确 定</el-button>
  </span>
</el-dialog>

    </div>
</template>
 <script>
 export default {
     data() {
         return {
             roleList:[],
             setVisible:false,
             rightsList:[],
             treeProps:{
                 label:'authName',
                 children:'children'
             },
            //  默认选择节点
            defKeys:[],
            // 分配角色权限id
            roleId:''
         }
     },
     created() {
         this.getRolesList()
     },
     methods: {
     async   getRolesList(){
             const{data:res} =  await this.$http.get('roles')
             if(res.meta.status!==200){
                 
            return this.$message.error('获取角色失败')
             }
             this.roleList=res.data
             console.log(this.roleList)
        },
        async removeRight(role,rightId){
     const confirmResult =  await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>{
            return err
        })
        if(confirmResult!=='confirm'){
                  return this.$message.info('取消删除')
        }
        const {data:res} =  await this.$http.delete(`roles/${role.id}/rights/${rightId}`)
        console.log(res)
        console.log(role)
        console.log(rightId)
        if(res.meta.status!==200){
            return this.$message.error('删除权限失败')
        }
         role.children=res.data
     },
    //  分配权限
     async powerSet(role){
         this.roleId=role.id
        //  获取权限数据
       const{data:res} = await this.$http.get('rights/tree')
       if(res.meta.status!==200){
                 
                 return this.$message.error('获取用户权限失败')
                  }
                  this.rightsList=res.data
                //   递归获取三级节点
                this.getLeafKeys(role,this.defKeys)
                console.log(role)
                console.log(this.defKeys)
        this.setVisible=true
     },
    //  递归获取三级权限
     getLeafKeys(node,arr){
            if(!node.children){
                return arr.push(node.id)
            }
            node.children.forEach(item=>this.getLeafKeys(item,arr))
     },
    //  监听权限对话框关闭bug
     setClose(){
              this.defKeys=[]
     },
    //  为角色分配权限
   async allotRights(){
           const keys=[
               ...this.$refs.treeRef.getCheckedKeys(),...this.$refs.treeRef.getCheckedKeys()
           ]
           console.log(keys)
           const idStr=keys.join(',')
         const{data:res} = await this.$http.post(`roles/${this.roleId}/rights`,{rids:idStr})
         if(res.meta.status!==200){
            return this.$message.error('分配权限失败')
        }
        this.$message.success('分配权限成功')
        this.getRolesList()
        this.setVisible = false
     }
 }
     }
    
 </script>
 <style lang="less" scoped> 
.el-tag{
    margin: 7px;
}
.bdtop{
border-top: 1px solid #eeeeee;
}
.bdbottom{
    border-bottom: 1px solid #eeeeee;
}
.vcenter{
    display: flex;
    align-items: center;
}
 </style>